CN218731158U

CN218731158U - AA battery with nominal voltage of 3.7V

Info

Publication number: CN218731158U
Application number: CN202222727591.5U
Authority: CN
Inventors: 顾慧军
Original assignee: Dongguan Huahui New Energy Co ltd
Current assignee: Dongguan Huahui New Energy Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-03-24
Anticipated expiration: 2032-10-17

Abstract

The utility model relates to a nominal voltage is 3.7V's AA battery, including shell and anodal contact, the anodal contact of shell top installation, the shell bottom surface is the battery negative pole, and the diameter of shell is 14.1 0.1mm, and the shell bottom surface is 50.2 0.2mm to the height of anodal contact, the utility model discloses the volume of battery is always with the volume of traditional AA battery, and because lithium ion battery cell's output voltage is 3.7V so the utility model discloses the nominal voltage of battery is 3.7V, can satisfy multiple consumer's power demand, does benefit to the better battery in the convenience of customers later stage of using widely moreover.

Description

AA battery with nominal voltage of 3.7V

Technical Field

The utility model relates to a battery field, concretely relates to nominal voltage is 3.7V's AA battery.

Background

In the prior art, the AA battery is an alkaline battery of 1.5V or a nickel-cadmium hydride battery, and at present, more and more small electric appliances such as an electric shaver, an electric toothbrush, an electric fascia gun and the like need to use a working voltage of more than 3V, so that the conventional AA battery is not suitable for the electric appliances which are required to be internally provided with a rechargeable battery, but as is well known, the rechargeable battery has a certain service life, and the rechargeable battery cannot be recharged for use after being used for a period of time, and needs to be replaced with a new rechargeable battery.

SUMMERY OF THE UTILITY MODEL

There is above-mentioned defect to prior art, the utility model provides a nominal voltage is 3.7V's AA battery, and concrete technical scheme is as follows:

the AA battery with the nominal voltage of 3.7V comprises a shell and an anode contact, wherein the anode contact is arranged above the shell, the bottom surface of the shell is a battery cathode, the diameter of the shell is 14.1 +/-0.1 mm, the height from the bottom surface of the shell to the anode contact is 50.2 +/-0.2 mm, a lithium ion battery cell is arranged in the shell, and the output voltage of the lithium ion battery cell is 3.7V.

As a preferred embodiment of the present invention, the nominal battery power is 1850mWh.

As an optimal scheme of the utility model, lithium ion cell is equipped with the anodal needle and the negative pole needle that upwards stretches out, and anodal needle suit is in anodal connecting sleeve, and negative pole needle suit is in negative pole connecting sleeve, and anodal adapter sleeve, negative pole adapter sleeve fixed mounting are in the circuit board, and the port that charges is installed on the circuit board, and shell top lid closes the end cover, and the port that charges is to the top and inserts in the end cover, the anodal contact of end cover top installation.

As an optimized scheme of the utility model, the port that charges is USB Type-C port or the Micro USB port that charges.

As a preferred scheme of the utility model, anodal contact below is equipped with the positive plate, positive plate contact circuit board, and the negative pole adapter sleeve outside is equipped with the negative plate, negative plate contact shell.

Has the advantages that: the diameter of shell is 14.1 0.1mm, and the height of shell bottom surface to anodal contact is 50.2 0.2mm, the utility model discloses the volume of battery is always with the volume of traditional AA battery, and because lithium ion battery cell's output voltage is 3.7V so the utility model discloses the nominal voltage of battery is 3.7V, can satisfy the power consumption demand of multiple consumer, does benefit to the better battery in user of facilitating the use later stage moreover.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is an exploded view of the present invention;

fig. 4 is a perspective view of the circuit board of the present invention;

fig. 5 is a cross-sectional view of the structure of the positive and negative electrode pins and the positive and negative electrode connecting sleeves.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 to 3, an AA battery having a nominal voltage of 3.7V includes a case 1 and a positive electrode contact 2, the positive electrode contact 2 is mounted on the upper portion of the case 1, the bottom surface of the case 1 is a negative electrode of the battery, the diameter of the case 1 is 14.1 ± 0.1mm, the height from the bottom surface of the case to the positive electrode contact is 50.2 ± 0.2mm, the diameter and the height are the same as those of a conventional AA battery, a lithium ion cell 3 is mounted in the case 1, the output voltage of the lithium ion cell 3 is 3.7V, and the nominal battery power of the AA battery is 1850mWh.

As shown in fig. 3 and 4, the lithium ion cell 3 is provided with a positive pin 4 and a negative pin 5 which extend upwards, the positive pin 4 is sleeved in the positive connecting sleeve 6, the negative pin 5 is sleeved in the negative connecting sleeve 7, the positive connecting sleeve 6 and the negative connecting sleeve 7 are fixedly mounted in the circuit board 8, a charging port 9 is mounted on the circuit board 8, the top of the housing 1 is covered with an end cover 10, the charging port 9 is upwards inserted into the end cover 10, the end cover 10 is made of an insulating material, the charging port 9 is a USB Type-C charging port or a Micro USB charging port, and the positive contact 2 is mounted above the end cover 10.

Specifically, a positive plate 11 is arranged below the positive contact 2, the positive plate 11 contacts the circuit board 8, a negative plate 12 is arranged outside the negative connecting sleeve 7, the negative plate 12 contacts the shell 1, the positive leading pin 4 of the lithium ion cell 3 is electrically connected with the positive contact 2 through the positive connecting sleeve 6, the circuit board 8 and the positive plate 11, and the negative leading pin 5 of the lithium ion cell 3 is electrically connected with the inner wall of the shell 1 through the negative connecting sleeve 7, the circuit board 8 and the negative plate 12.

The above description is provided for the purpose of describing the present invention in more detail with reference to the preferred embodiments, and it should not be construed that the present invention is limited to these descriptions, and it will be apparent to those skilled in the art that the present invention can be implemented in many ways without departing from the spirit and scope of the present invention.

Claims

1. An AA battery with the nominal voltage of 3.7V comprises a shell and a positive contact, wherein the positive contact is arranged above the shell, the bottom surface of the shell is a battery cathode, the diameter of the shell is 14.1 +/-0.1 mm, and the height from the bottom surface of the shell to the positive contact is 50.2 +/-0.2 mm, and the AA battery is characterized in that: and a lithium ion battery cell is arranged in the shell, and the output voltage of the lithium ion battery cell is 3.7V.

2. A nominal 3.7V AA battery as claimed in claim 1, wherein: the nominal battery power is 1850mWh.

3. A nominal 3.7V AA battery as claimed in claim 1, wherein: the lithium ion battery cell is provided with a positive electrode lead needle and a negative electrode lead needle which extend upwards, the positive electrode lead needle is sleeved in a positive electrode connecting sleeve, the negative electrode lead needle is sleeved in a negative electrode connecting sleeve, the positive electrode connecting sleeve and the negative electrode connecting sleeve are fixedly arranged in a circuit board, a charging port is arranged on the circuit board, the top of the shell is covered with an end cover, the charging port is upwards inserted into the end cover, and a positive electrode contact is arranged above the end cover.

4. A nominal 3.7V AA battery as claimed in claim 3, wherein: the port that charges is USB Type-C port or the Micro USB port that charges.

5. A nominal 3.7V AA battery as claimed in claim 3, wherein: the positive contact below is equipped with the positive plate, and positive plate contact circuit board, the negative pole adapter sleeve outside are equipped with the negative plate, negative plate contact shell.